300+ TOP MCQs on Water Or Hydride Of Oxygen and Answers

NEET  Chemistry is the very imporatant paper in the Medical Entrance EXAM. So these NEET Chemistry MCQs with Answers for all Concepts as per the new syllabus. Practice daily with these NEET Chemistry objective questions on air pollution. NEET Chemistry Water Or Hydride Of Oxygen Multiple Choice Questions

MCQs on Water Or Hydride Of Oxygen :

1. Water is oxidised to oxygen by
(A) H₂O₂
(B) KMnO₄
(C) ClO₂
(D) fluorine

Answer

Answer: (d)

2. The H-O-H bond angle in a water molecule is about
(A) 90^o
(B) 105^o
(C) 135^o
(D) 180^o

Answer

Answer: (b)

3. The action of water or dilute mineral acids on metals can give
(A) tritium
(B) dihydrogen
(C) trihydrogen
(D) mono hydrogen

Answer

Answer: (b)

4. Reaction of potassium with water is
(A) hydrolysis
(B) absorption
(C) exothermic
(D) Endothermic

Answer

Answer: (c)

5. Water softening by Clarke’s process uses
(A) potash alum
(B) calcium bicarbonate
(C) calcium hydroxide
(D) sodium bicarbonate

Answer

Answer: (c)

6. A variety of water which contains soluble salts of Ca and Mg is known as
(A) soft water
(B) heavy water
(C) conductivity water
(D) hard water

Answer

Answer: (d)

7. Oxygen does not react with
(A) Na
(B) P
(C) Cl
(D) S

Answer

Answer: (c)

8. The gas O₃ (ozone) cannot oxidise
(A) KI
(B) FeSo₄
(C) KMnO₄
(D) K₂MnO₄

Answer

Answer: (c)

9. The molarity of pure water at 277K is
(A) 1M
(B) 5M
(C) 55.5M
(D) 2.5M

Answer

Answer: (c)

10. Which one of the following substances has the highest proton affinity?
(A) NH₃
(B) H₂O
(C) PH₃
(D) H₂S

Answer

Answer: (a)